1Max Planck Institute of Molecular Cell Biology and Genetics, 01307, Dresden, Germany; email: [email protected]2Max Planck Institute for the Physics of Complex Systems, 01187, Dresden, Germany
3Center for Systems Biology Dresden, 01307, Dresden, Germany
4School of Engineering and Applied Sciences, Department of Molecular and Cellular Biology, and FAS Center for Systems Biology, Harvard University, Cambridge, Massachusetts 021382, USA